Container for flying object

Abstract

A container for a flight craft such as a gas balloon is provided. Part of the walls of the container is constituted of three separated plates. The first plate has one or more holes that causes gas to flow in and out of two spaces so that the pressure difference between a first space and a second space separated by the first plate is resolved but does not cause gas convection between those two spaces. As the flight craft ascends, a relationship T 1 <T 2 <T 3 <T 4 occurs among the temperatures inside the first to a fourth space. The temperature gradient between the inside and outside of the container becomes less pronounced. Condensation is unlikely to form on any of the three plates. The first plate with the holes buffers the force that the second plate is subjected to due to a pressure difference between the inside and outside of the container.

The invention claimed is: 
     
       1. A container for a flight craft comprising:
 three or more plates that are at least partially spaced apart from each other, 
 wherein:
 at least one of the three or more plates has no holes and provides an air-tight space inside the container for accommodating an object, and 
 at least one of the three or more plates has one or more holes of a size that allows gas to flow in and out of two spaces within which the at least one plate is located with the one or more holes that resolve a pressure difference between the two spaces but do not enable gas convection between the two spaces. 
 
 
     
     
       2. The container according to  claim 1 , wherein
 two or more of the three or more plates have one or more holes of a size that allow gas to flow in and out of the two spaces within which the plate is located with the one or more holes that resolve a pressure difference between the two spaces but do not enable gas convection between the two spaces. 
 
     
     
       3. The container according to  claim 2 , wherein
 with respect to two or more plates with the one or more holes, at least one of a size and a number of the holes in each of the two or more plates is different.